– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 pm Wed 14 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Wed 14 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Wed 14 Jan Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 15°C on Fri morning, min 7°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 12°C on Sat afternoon, min 8°C on Sat night). Wind will be generally light. | ||||||||||||||||
Wed 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | | | | | | | | | | |
rain shwrs | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
0.6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 9 | 8 | 11 | 10 | 10 | 15 | 13 | 11 | 14 | 12 | 10 | 12 | 10 | 9 | 12 | 11 | 9 |
min °C | 9 | 7 | 9 | 9 | 9 | 12 | 11 | 10 | 12 | 11 | 8 | 10 | 9 | 8 | 10 | 9 | 8 |
9 | 7 | 9 | 8 | 8 | 12 | 11 | 10 | 12 | 11 | 8 | 10 | 9 | 8 | 10 | 9 | 8 | |
2750 | 3350 | 3450 | 3400 | 3500 | 3750 | 3650 | 3650 | 3500 | 3550 | 3450 | 3300 | 3300 | 3150 | 3400 | 3450 | 3300 | |
Cloud base (m) | 2700 | 650 | 9050 | ||||||||||||||
 | — | — | 7:54 | — | — | 7:54 | — | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — |
 | 4:37 | — | — | 4:39 | — | — | 4:40 | — | — | 4:42 | — | — | 4:44 | — | — | 4:45 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Very mild (max 15°C on Fri morning, min 7°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Very mild (max 12°C on Sat afternoon, min 8°C on Sat night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.